345185 has 16 divisors (see below), whose sum is σ = 456192. Its totient is φ = 249600.

The previous prime is 345181. The next prime is 345193. The reversal of 345185 is 581543.

It is not a de Polignac number, because 345185 - 2² = 345181 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570 + ... + 2700.

It is an arithmetic number, because the mean of its divisors is an integer number (28512).

2³⁴⁵¹⁸⁵ is an apocalyptic number.

It is an amenable number.

345185 is a deficient number, since it is larger than the sum of its proper divisors (111007).

345185 is a wasteful number, since it uses less digits than its factorization.

345185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184.

The product of its digits is 2400, while the sum is 26.

The square root of 345185 is about 587.5244675756. The cubic root of 345185 is about 70.1483249440.

The spelling of 345185 in words is "three hundred forty-five thousand, one hundred eighty-five".